Three accused identified as R Srinivas, R Nateshan and R Shekhar have been arrested while the fourth one is absconding.
The victim, Permal, was allegedly stabbed close to 14 times last night with knives and a trident, that the accused took from the temple, police said.
Permal's wife too was allegedly beaten by the killers.
There was a stampede like situation at the Sheetla Mata temple while the attack was happening.
The victim was rushed to a hospital where he was declared brought dead, police said
The victim and the accused have had scuffles in the past.
The accused and the victim belongs to Tamil Nadu and were residents of south Delhi's Dakshinpuri area.
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